Association of Arab Universities Journal of Engineering Sciences最新文献

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The Tribological and Chemical Properties of Ni-W Alloy Electrodeposition Ni-W合金电沉积的摩擦学和化学性能
Association of Arab Universities Journal of Engineering Sciences Pub Date : 2019-03-31 DOI: 10.33261/JAARU.2019.26.1.019
M. Jaleel, Eilaf Z. Gurji
{"title":"The Tribological and Chemical Properties of Ni-W Alloy Electrodeposition","authors":"M. Jaleel, Eilaf Z. Gurji","doi":"10.33261/JAARU.2019.26.1.019","DOIUrl":"https://doi.org/10.33261/JAARU.2019.26.1.019","url":null,"abstract":"The Electrodeposition process has been used to substrate Ni-W alloy on low carbon steel by using ammonical citrate bath. The influence of deposition condition by variation of current density (0.04-0.2 A/cm2) and solution temperature (60-70 °C), on the mechanical and chemical properties such as (microhardness, wear resistance, residual stress and chemical resistance) was studied. Results show that the current efficiency has the major influence on the tungsten content in the alloys which reflected to the properties of the deposits.","PeriodicalId":414074,"journal":{"name":"Association of Arab Universities Journal of Engineering Sciences","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124933186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Analysis of Road Accidents in Baghdad City 巴格达市道路交通事故分析
Association of Arab Universities Journal of Engineering Sciences Pub Date : 2019-03-31 DOI: 10.33261/JAARU.2019.26.1.018
H. Joni, A. Al-Dahawi, Omar Al-Tamimi
{"title":"Analysis of Road Accidents in Baghdad City","authors":"H. Joni, A. Al-Dahawi, Omar Al-Tamimi","doi":"10.33261/JAARU.2019.26.1.018","DOIUrl":"https://doi.org/10.33261/JAARU.2019.26.1.018","url":null,"abstract":"Road traffic accidents (RTAs) have turned out to be a huge global public health and development problem causing enormous economic and social costs. Therefore RTA has become a major concern and analyzing accident data has been an important look out to the analysts in order to find the major factors related to the accidents, and to predict the future road accidents in order to mitigate and/or eliminate them in the future.The study revealed that the main contributing factor is the human. The predominant type of crashes was run over with 53% of the total crashes.Approximately, 53% of crashes occurred on major roads, 58% of crashed occurred during day time, drivers with group ages between 24 – 29 years’ experience more crashes, and single vehicle accidents result in more casualty (fatality and injuries) compared to multi-vehicleaccidents. The most important resultobtainedfrom this study, a prediction model which link accidents with the number of registered vehicles and population.","PeriodicalId":414074,"journal":{"name":"Association of Arab Universities Journal of Engineering Sciences","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129774528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
The Grid as a Base Design in Contemporary Architecture 网格作为当代建筑的基础设计
Association of Arab Universities Journal of Engineering Sciences Pub Date : 2019-03-31 DOI: 10.33261/JAARU.2019.26.1.024
Anwar Subhi Ramdan Al-Qraghuli, A. Alobaidi
{"title":"The Grid as a Base Design in Contemporary Architecture","authors":"Anwar Subhi Ramdan Al-Qraghuli, A. Alobaidi","doi":"10.33261/JAARU.2019.26.1.024","DOIUrl":"https://doi.org/10.33261/JAARU.2019.26.1.024","url":null,"abstract":"The (Grid) is one of the most important fundamentals in architectural design and it was adopted from ancient civilizations to contemporary architecture, thus enhancing the creation of products characterized by system, harmony, unity and integration,. Methods and basis of adoption the (Grid) for the twenty-first century have been varied for the diversity of products and architectural trends with correspondence to technology impact in general. The research problem was articulated as: the lack of comprehensive framework to the nature of the adoption of the (Grid) as a design base in contemporary architecture, the goal of research is to introduce the most comprehensive and clear knowledge of (Grid) role in the process of architectural design and to identify the nature and specificity of its adoption as a conceptual basis in contemporary architecture. The research was based on a descriptive and analytical approach to a number of specialized and other backup studies aiming to identify the main terms that define the knowledge related to the (Grid) as a design base in contemporary architecture and applying this framework to selected samples of Zaha Hadid projects as one of the contemporary architecture pioneers. The research hypothesized that Zaha adopted a variety of (Grid) forms to generate and organize architectural configurations according to multiple structural principles. The research reached to a set of theoretical conclusions related to the methods and principles of the use of the (Grid) at varying levels, as well as the conclusions related to the selected case study.","PeriodicalId":414074,"journal":{"name":"Association of Arab Universities Journal of Engineering Sciences","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115315373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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